voku /
portable-utf8
| @@ 5789-5809 (lines=21) @@ | ||
| 5786 | * |
|
| 5787 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5788 | */ |
|
| 5789 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5790 | { |
|
| 5791 | // init |
|
| 5792 | $str = (string)$str; |
|
| 5793 | ||
| 5794 | if (!isset($str[0])) { |
|
| 5795 | return ''; |
|
| 5796 | } |
|
| 5797 | ||
| 5798 | if ($cleanUtf8 === true) { |
|
| 5799 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5800 | // if invalid characters are found in $haystack before $needle |
|
| 5801 | $str = self::clean($str); |
|
| 5802 | } |
|
| 5803 | ||
| 5804 | if ($encoding !== 'UTF-8') { |
|
| 5805 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
|
| 5806 | } |
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| 5807 | ||
| 5808 | return \mb_strtolower($str, $encoding); |
|
| 5809 | } |
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| 5810 | ||
| 5811 | /** |
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| 5812 | * Generic case sensitive transformation for collation matching. |
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| @@ 5835-5854 (lines=20) @@ | ||
| 5832 | * |
|
| 5833 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5834 | */ |
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| 5835 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5836 | { |
|
| 5837 | $str = (string)$str; |
|
| 5838 | ||
| 5839 | if (!isset($str[0])) { |
|
| 5840 | return ''; |
|
| 5841 | } |
|
| 5842 | ||
| 5843 | if ($cleanUtf8 === true) { |
|
| 5844 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5845 | // if invalid characters are found in $haystack before $needle |
|
| 5846 | $str = self::clean($str); |
|
| 5847 | } |
|
| 5848 | ||
| 5849 | if ($encoding !== 'UTF-8') { |
|
| 5850 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
|
| 5851 | } |
|
| 5852 | ||
| 5853 | return \mb_strtoupper($str, $encoding); |
|
| 5854 | } |
|
| 5855 | ||
| 5856 | /** |
|
| 5857 | * Translate characters or replace sub-strings. |
|
